Home / 9,027.18-12,456.36-5,047.92

Finding the Fourth Proportional to 9,027.18, 12,456.36 and 5,047.92

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Solution

The fourth proportional to 9,027.18, 12,456.36 and 5,047.92 is: 6,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027.18 : 12,456.36 = 5,047.92 : x
  2. Step 2: Convert to fraction form
    9,027.18/12,456.36 = 5,047.92/x
  3. Step 3: Cross multiply
    9,027.18x = 12,456.36 × 5,047.92
  4. Step 4: Simplify right side
    9,027.18x = 62,878,708.77
  5. Step 5: Solve for x
    x = 62,878,708.77/9,027.18
  6. Step 6: Final answer
    x = 6,965.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.